economical theory 中文意思是什麼

economical theory 解釋
經濟理論
  • economical : adj. 1. 節儉的，儉約的；經濟的，合算的。2. 經濟學上的。adv. -ly
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  2. Uav ( unmanned aerial vehicle ) plays a more and more important role in national defense and civil life. so making researches on the uav flight controller design and the measurement and control techniques of uav is of theory, engineering and economical value

    無人機在軍民兩用領域發揮著越來越重要的作用，進行民用無人機飛行控制器設計及檢測與控制技術研究，具有理論意義、工程意義和經濟意義。
  3. It is expectative because of both its eminent performance and simple construction technology, and its economical preponderance. through the test of the six fibers and three gradations, the asphalt mixture of different combination, this paper analyses the fibers influence on the pavement performance, expatiates the strengthening mechanism of the fiber asphalt concrete pavement with theory of composite material and the interfacial chemistry

    本文通過六種纖維和三種礦料級配的瀝青混合料大量室內試驗研究，全面分析了纖維對瀝青混合料路用性能的影響，結合復合材料理論和界面化學知識，較系統的闡述了纖維對瀝青混合料路用性能的改善作用機理。
  4. Finally, depending on theory result and the problems, which existed during the experimentation, in the eye of rational and economical, some basic technical targets are gived for practical use. a small sized flexible - oared wind generator of 7w power is designed. the determination of constitution size and the selection of parameters are also carefully analyzed

    最後，根據理論結果和試驗中所出現的問題，從經濟、合理的角度出發，結合實際應用情況，給出了一些基本的技術指標，重新設計了一臺7瓦的小型柔性槳風力發電機，對一些結構尺寸的確定和參數的選擇，也作了較詳細的說明。
  5. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上，先分析了此次試驗的經濟性，經核算直接節約投資22 ，經濟效益十分明顯；隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算，並與實測值作對比分析，得出了真空堆載聯合預壓下的沉降量估算公式，能反映「真空」加固過程的變化規律；同時根據現場和室內試驗，分析了軟土強度的變化，以及給出並驗證了工后沉降控制標準。
  6. A sketchy analysis on the economical theory of value

    經濟學價值論簡析
  7. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  8. Because of its resistance to electrochemical erosion, low manpower demand for application and minimal changes in geometrical dimensions of the member, the method has been found to be economical and efficient for application, based on the previous work, we designed and conducted experiments of 10 reinforced concrete ( rc ) slabs strengthened with the common carbon fiber reinforced plastic ( cfrp ) ; and investigated the effect, failure mechanism and theory

    由於具有耐腐蝕、施工簡便快捷、幾乎不改變構件原有尺寸等特點，得到廣泛的應用，具有良好的經濟效益。在前人的工作基礎上，我們設計、試驗了10採用碳纖維布加固的鋼筋混凝土單向板，探討了加固單向板的加固效果和理論分析方法。
  9. This paper adopts the method of positive study and normative study, and quantitative analysis is combined with qualitative analysis in the paper. this paper uses the basic theory principles of industrial economics, regional economics, economical geography, urban geography and sustainable development that are for industry transformation. the author takes example of daqing city, which is a typical resource - based city to research the transformation guide rules, model, key strategic point and implementation of the strategy for the maturity rsource - based cities

    本文用規范研究與實證研究相結合的方法，以定性與定量結合，運用產業經濟學、區域經濟學、社會學、經濟地理學、城市地理學、可持續發展等有關產業轉型的基本原理，以典型的資源型城市大慶市為例，對處于成熟期的資源型城市發展接續產業的基本思路、戰略選擇以及實施措施進行了探討。
  10. Through the combination of the theory and practice, the necessity about economical operation of pumping station is more explicate than ever

    通過理論與實際的結合，進一步明確了排灌站經濟運行的必要性。
  11. On the point of system, this paper mainly studies the optimal distribution of load in the machines of irrigation and drainage pumping station, the mathematical model and it ' s solution are studied among the machines in pumping station with two types of axial pump : full regulation or semi - regulation. this paper also studies the problems of the optimal day - operation of pumping station and the economical operation of grading pumping station. at the end, jiangdu pumping station is taken as a practical example to show the theory on economical operation of irrigation and drainage pumping station

    本文從系統的觀點出發，以排灌站機組間負荷的優化分配研究為主，分別對全調節和半調節軸流泵兩種泵型的排灌站機組間負荷優化分配的數學模型及其求解方法進行了研究，同時對排灌站最優日運行方式及梯級泵站的經濟運行也進行了初步探索，最後以江都排灌站為例，建立了排灌站經濟運行的實用模型。
  12. From the district economical theory we can find the mainly key of developing the western part of our country is the transportation. the mainly method of developing the transportation changing the features of the western part is developing highway. the successful experience from developing the western part in our country an d the developed country can give the powerful evidence

    從區域經濟學的角度我們可以看出，發展西部的關鍵在交通，而發展公路建設則是從根本上改變西部地區落後面貌的主要手段，我國在西部先期開發的實踐及發達國家經濟發展的成功經驗對此提供了有力的證明。
  13. With the advancement of calculating theory and design technology, as well as the wide application of computer in the engineering design area, the bridge structure is developing towards large span, thin section, and prestress. the bridge construction scheme is also made great progress. with the research on construction project, the construction of the bridges over the river or the gorge is becoming more and more simple, efficient and economical

    隨著結構計算理論和設計技術的進步，以及計算機在工程設計領域的廣泛應用，橋梁結構向大跨度、薄截面、預應力方向發展，橋梁的施工方案也取得了很大的進展，通過施工方案的研究，使位於大江大河上及深山峽谷中的橋梁施工作業更加簡單高效、經濟合理。
  14. On the social and economical theory of farming - to pasture project carried out in gansu

    論甘肅省實施退耕還草工程的社會經濟理論基礎
  15. They regard that during the course of economic growth, money be able to affect the degree of economic growth once the income of money eventually influences consume and saving., in the economical theory field of our country, there are have different ideas. from the appearance, the diverge come from the outcome that who is the reason and who is the result

    為了彌補經濟增長理論的這一缺陷，西方經濟學界出現了貨幣經濟增長理論，該理論認為，在經濟增長過程中，貨幣是非中性的，貨幣的引入會改變均衡增長路徑；一旦貨幣收入對人們的消費和儲蓄產生持久性的影響，貨幣供給這一短期經濟變量就會對長期經濟增長產生實質性的作用。
  16. Integrated with domestic and foreign economical theory that people have obtained common consensus, mainly based on data in yearbook of china transportation & communications, making use of exploratory data analysis method and factor analysis method etc., the dissertation aims to find out the law and tendency of communications and transportation ' s development, make economic forecasting, test reliability and feasibility of all sorts of economical theory and recommend for all or different governments and enterprises

    本論文主要從交通統計年鑒數據出發，結合國內外已取得共識的經濟理淪，運用探索性數據分析和因子分析等方法，藉以找出交通運輸業發展的規律性及其發展趨勢，用以作經濟預測，檢驗各種經濟理論的可靠性和可行性，並為各級政府和企業的經濟決策提供數量化建議。
  17. The model shows that the existence of rent - seeking activities ( dup ) resulting in the m & a of bankrupts, and sometime happen even more easily. the model explains it according to the economical theory that each social group maximizes their expected utility

    模型的結論是由於尋租（即dup ，尋求直接的非生產性利潤） ，使得困難企業的被購並成為可能，甚至比非困難企業的購並更容易實現。
  18. Based on development, meaning and principle of recycling economical theory, the necessity and conditionality in the implement of recycle economy in china are analyzed, and policy is proposed to promote the development of recycle economy

    摘要本文從闡述循環經濟理論的發展、內涵與原則入手，分析了循環經濟在中國經濟可持續發展中的必要性和存在的制約因素，探討了推進循環經濟發展的政策建議。
  19. Fanlongduan yu jingzheng zhengce : jingji lilun, guoji jingyan ji dui zhongguo de qishi anti - trust and competition policy : economical theory, international experience and its implications for china, beijing : peking university press, 2004

    傅軍、張穎著， 《反壟斷與競爭政策：經濟理論，國際經驗及對中國的啟示》 ，北京：北京大學出版社， 2004年。
  20. This article analyses by micro - economical theory the added throwing for establishing a new social order pattern during the modernization of the legal system and the lost benefit for denying the old social order pattern, and describes the new cost and benefit for modernization of legal system, the cost formation and the maximum and minimum of costs as well as the seeing criteria of the amount limit

    對法制現代化過程中，為建立新的社會秩序模式而增加的投入，和因否定舊社會秩序模式而失去的效益等，運用微觀經濟學理論進行了分析，描述了法制現代化成本與效益、成本構成以及成本的上下限及極限量的參照標準。
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